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Phospholipase A2 activity in ram spermatozoa plasma membranes
The International Journal of Biochemistry
|January 1, 1987
Abstract:
A highly active phospholipase A2 in ram spermatozoa plasma membranes has been established. Phospholipase A2 was optimally active at pH 7.4 and was Ca2+ dependent. Low concentrations of K+ (25 mM) were found to inhibit phospholipase A2 activity, whereas higher concentrations induced enzyme reactivation. An inhibitory effect of Zn2+ has also been observed.